diff --git a/Stundensheet.xlsx b/Stundensheet.xlsx
index be8b0f51..bba41b5d 100644
Binary files a/Stundensheet.xlsx and b/Stundensheet.xlsx differ
diff --git a/nsw/Source/bsmd.ExcelReadService/ExcelReader.cs b/nsw/Source/bsmd.ExcelReadService/ExcelReader.cs
index c6787440..8d113f43 100644
--- a/nsw/Source/bsmd.ExcelReadService/ExcelReader.cs
+++ b/nsw/Source/bsmd.ExcelReadService/ExcelReader.cs
@@ -105,12 +105,19 @@ namespace bsmd.ExcelReadService
         internal string ReadText(string lookup)
         {
             if (!_nameDict.ContainsKey(lookup)) return null;
-            var val = _nameDict[lookup].RefersToRange.Value;
-            var val2 = _nameDict[lookup].RefersToRange.Value2;
-            if(val != null)
-                return val.ToString();
-            if (val2 != null)
-                return val2.ToString();
+            try
+            {
+                var val = _nameDict[lookup].RefersToRange.Value;
+                var val2 = _nameDict[lookup].RefersToRange.Value2;
+                if (val != null)
+                    return val.ToString();
+                if (val2 != null)
+                    return val2.ToString();
+            }
+            catch(COMException)
+            {
+                _log.WarnFormat("COMException reading field:{0}", lookup);
+            }
             return null;
         }
 
diff --git a/nsw/Source/bsmd.database/Properties/AssemblyProductInfo.cs b/nsw/Source/bsmd.database/Properties/AssemblyProductInfo.cs
index 4de22237..360d7eb9 100644
--- a/nsw/Source/bsmd.database/Properties/AssemblyProductInfo.cs
+++ b/nsw/Source/bsmd.database/Properties/AssemblyProductInfo.cs
@@ -2,6 +2,6 @@
 
 [assembly: AssemblyCompany("Informatikbüro Daniel Schick")]
 [assembly: AssemblyProduct("BSMD NSW interface")]
-[assembly: AssemblyInformationalVersion("3.2.20")]
+[assembly: AssemblyInformationalVersion("3.2.21")]
 [assembly: AssemblyCopyright("Copyright ©  2014-2016 Informatikbüro Daniel Schick. All rights reserved.")]
 [assembly: AssemblyTrademark("")]
\ No newline at end of file
diff --git a/nsw/Source/bsmd.database/Properties/AssemblyProjectInfo.cs b/nsw/Source/bsmd.database/Properties/AssemblyProjectInfo.cs
index 253c647f..845220b6 100644
--- a/nsw/Source/bsmd.database/Properties/AssemblyProjectInfo.cs
+++ b/nsw/Source/bsmd.database/Properties/AssemblyProjectInfo.cs
@@ -1,4 +1,4 @@
 using System.Reflection;
 
-[assembly: AssemblyVersion("3.2.20.*")]
+[assembly: AssemblyVersion("3.2.21.*")]